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	   <h2>GraphicalViewer.js</h2>
	
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<h4>Summary</h4>
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		No overview generated for 'GraphicalViewer.js'<BR/><BR/>
	
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        <b>Class Summary</b>
    
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    <td width="15%"><b><a href="draw2d/GraphicalViewer.html">draw2d.GraphicalViewer</a></b></td>
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<!-- ========== METHOD SUMMARY =========== -->

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        <pre class="sourceview"><span class="comment">/* This notice must be untouched at all times.

FreeGroup Draw2D 0.9.26
The latest version is available at
http://www.freegroup.de

Copyright (c) 2006 Andreas Herz. All rights reserved.
Created 5. 11. 2006 by Andreas Herz (Web: http://www.freegroup.de )

LICENSE: LGPL

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License (LGPL) as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA,
or see http://www.gnu.org/copyleft/lesser.html
*/</span>

<span class="comment">/**
 * A factory for creating new EditParts. EditPartViewers can be configured with an EditPartFactory.
 * Whenever an EditPart in that viewer needs to create another EditPart, it can use the Viewer's factory.
 * The factory is also used by the viewer whenever EditPartViewer.setContents(Object)  is called.
 * 
 * <span class="attrib">@version</span> 0.9.26
 * <span class="attrib">@author</span> Andreas Herz
 * <span class="attrib">@since</span> 0.9.15
 * <span class="attrib">@constructor</span>
 */</span>
draw2d.GraphicalViewer=<span class="reserved">function</span>(<span class="comment">/*:String*/</span> id)
{
   try
   {
    draw2d.Workflow.call(<span class="reserved">this</span>,id);
  
    <span class="reserved">this</span>.factory = null; <span class="comment">//draw2d.EditPartFactory</span>
    <span class="reserved">this</span>.model   = null; <span class="comment">//draw2d.ArrayList&lt;AbstractObjectModel&gt;</span>
    <span class="reserved">this</span>.initDone= false;
  }
  catch(e)
  {
     pushErrorStack(e,<span class="literal">"draw2d.GraphicalViewer=function(/*:String*/ id)"</span>);
  }
};


draw2d.GraphicalViewer.<span class="reserved">prototype</span> = new draw2d.Workflow();
<span class="comment">/** <span class="attrib">@private</span> **/</span>
draw2d.GraphicalViewer.<span class="reserved">prototype</span>.type=<span class="literal">"draw2d.GraphicalViewer"</span>;


draw2d.GraphicalViewer.<span class="reserved">prototype</span>.setEditPartFactory=<span class="reserved">function</span>(<span class="comment">/*:draw2d.EditPartFactory*/</span> factory )
{
   <span class="reserved">this</span>.factory = factory;
   <span class="reserved">this</span>.checkInit();
};

draw2d.GraphicalViewer.<span class="reserved">prototype</span>.setModel=<span class="reserved">function</span>(<span class="comment">/*:draw2d.AbstractObjectModel*/</span> model )
{
  try
  {
    <span class="reserved">if</span>(model instanceof draw2d.AbstractObjectModel)
    {
      <span class="reserved">this</span>.model = model;
      <span class="reserved">this</span>.checkInit();
      <span class="reserved">this</span>.model.addPropertyChangeListener(<span class="reserved">this</span>);
    }
    <span class="reserved">else</span>
    {
      alert(<span class="literal">"Invalid model class type:"</span>+model.type);
    }
  }
  catch(e)
  {
      pushErrorStack(e,<span class="literal">"draw2d.GraphicalViewer.prototype.setModel=function(/*:draw2d.AbstractObjectModel*/ model )"</span>);
  }
};

draw2d.GraphicalViewer.<span class="reserved">prototype</span>.propertyChange=<span class="reserved">function</span>( <span class="comment">/*:draw2d.PropertyChangeEvent*/</span> event)
{
  switch(event.property)
  {
    case draw2d.AbstractObjectModel.EVENT_ELEMENT_REMOVED:
        var figure = <span class="reserved">this</span>.getFigure(event.oldValue.getId())
        <span class="reserved">this</span>.removeFigure(figure);
        break;
    case draw2d.AbstractObjectModel.EVENT_ELEMENT_ADDED:
        var figure = <span class="reserved">this</span>.factory.createEditPart(event.newValue);
        figure.setId(event.newValue.getId());
        <span class="reserved">this</span>.addFigure(figure);
        <span class="reserved">this</span>.setCurrentSelection(figure);
        break;
   }
};

<span class="comment">/**
 *
 * <span class="attrib">@private</span>
 **/</span>
draw2d.GraphicalViewer.<span class="reserved">prototype</span>.checkInit=<span class="reserved">function</span>()
{
    <span class="reserved">if</span>(<span class="reserved">this</span>.factory !==null &amp;&amp; <span class="reserved">this</span>.model!==null &amp;&amp; <span class="reserved">this</span>.initDone==false)
    {
      try
      {
          var children = <span class="reserved">this</span>.model.getModelChildren();
          var count = children.getSize();
          <span class="reserved">for</span>(var i=0;i&lt;count;i++)
          {
            var child = children.get(i);
            var figure = <span class="reserved">this</span>.factory.createEditPart(child);
            figure.setId(child.getId());
            <span class="reserved">this</span>.addFigure(figure);
          }
      }
      catch(e)
      {
          pushErrorStack(e,<span class="literal">"draw2d.GraphicalViewer.prototype.checkInit=function()[addFigures]"</span>);
      }

      try
      {
        <span class="comment">// all figures are added. create now the transistions between these figures</span>
        <span class="comment">//</span>
        var figures = <span class="reserved">this</span>.getDocument().getFigures();
        var count = figures.getSize();
        <span class="reserved">for</span>(var i=0;i&lt;count;i++)
        {
          var figure = figures.get(i);
          <span class="reserved">if</span>(figure instanceof draw2d.Node)
          {
            <span class="reserved">this</span>.refreshConnections(figure);
          }
        }
      }
      catch(e)
      {
          pushErrorStack(e,<span class="literal">"draw2d.GraphicalViewer.prototype.checkInit=function()[refreshConnections]"</span>);
      }
    }
};

<span class="comment">/**
 *
 * <span class="attrib">@private</span>
 **/</span>
draw2d.GraphicalViewer.<span class="reserved">prototype</span>.refreshConnections=<span class="reserved">function</span>(<span class="comment">/*:draw2d.Node*/</span> node )
{
   try
   {
     var required = new draw2d.ArrayList();

     <span class="comment">// Create all missing connections</span>
     <span class="comment">//</span>
     var modelConnect = node.getModelSourceConnections();

     var count = modelConnect.getSize();
     <span class="reserved">for</span>(var i=0;i&lt;count;i++)
     {
        var lineModel = modelConnect.get(i);
        required.add(lineModel.getId());
        var lineFigure= <span class="reserved">this</span>.getLine(lineModel.getId());
        <span class="reserved">if</span>(lineFigure===null)
        {
           lineFigure = <span class="reserved">this</span>.factory.createEditPart(lineModel);
           var sourceModel = lineModel.getSourceModel();
           var targetModel = lineModel.getTargetModel();

           var sourceFigure= <span class="reserved">this</span>.getFigure(sourceModel.getId());
           var targetFigure= <span class="reserved">this</span>.getFigure(targetModel.getId());

           var sourcePort = sourceFigure.getOutputPort(lineModel.getSourcePortName());
           var targetPort = targetFigure.getInputPort(lineModel.getTargetPortName());

           lineFigure.setTarget(targetPort);
           lineFigure.setSource(sourcePort);
           lineFigure.setId(lineModel.getId());
           <span class="reserved">this</span>.addFigure(lineFigure);
           <span class="reserved">this</span>.setCurrentSelection(lineFigure);
        }
     }

     <span class="comment">// remove all obsolet connections</span>
     <span class="comment">//</span>
     var ports = node.getOutputPorts();
     count = ports.getSize();
     <span class="reserved">for</span>(var i=0; i&lt; count;i++)
     {
        var connections = ports.get(i).getConnections();
        var conCount = connections.getSize();
        <span class="reserved">for</span>(var ii=0;ii&lt;conCount;ii++)
        {
           var connection = connections.get(ii);
           <span class="reserved">if</span>(!required.contains(connection.getId()))
           {
              <span class="reserved">this</span>.removeFigure(connection);
              required.add(connection.getId());
           }
        }
     }
  }
  catch(e)
  {
      pushErrorStack(e,<span class="literal">"draw2d.GraphicalViewer.prototype.refreshConnections=function(/*:draw2d.Node*/ node )"</span>);
  }
};
</pre>
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<div class="jsdoc_ctime">Documentation generated by <a href="http://jsdoc.sourceforge.net/" target="_parent">JSDoc</a> on Mon Nov 14 13:45:39 2011</div>
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